Refrigerator door assembly



FIG. 1 is a perspective view of my new refrigerator door assembly;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a front view thereof, showing the refrigerator door assembly in an open position.

The broken lines showing environmental structure are for illustrative purposes and form no part of the claimed design. 

The ornamental design for a refrigerator door assembly, as shown and described. 